Repo created

TMessagesProj/jni/voip/webrtc/net/dcsctp/socket/packet_sender.cc

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+/*
+ *  Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+#include "net/dcsctp/socket/packet_sender.h"
+
+#include <utility>
+#include <vector>
+
+#include "net/dcsctp/public/types.h"
+
+namespace dcsctp {
+
+PacketSender::PacketSender(DcSctpSocketCallbacks& callbacks,
+                           std::function<void(rtc::ArrayView<const uint8_t>,
+                                              SendPacketStatus)> on_sent_packet)
+    : callbacks_(callbacks), on_sent_packet_(std::move(on_sent_packet)) {}
+
+bool PacketSender::Send(SctpPacket::Builder& builder, bool write_checksum) {
+  if (builder.empty()) {
+    return false;
+  }
+
+  std::vector<uint8_t> payload = builder.Build(write_checksum);
+
+  SendPacketStatus status = callbacks_.SendPacketWithStatus(payload);
+  on_sent_packet_(payload, status);
+  switch (status) {
+    case SendPacketStatus::kSuccess: {
+      return true;
+    }
+    case SendPacketStatus::kTemporaryFailure: {
+      // TODO(boivie): Queue this packet to be retried to be sent later.
+      return false;
+    }
+
+    case SendPacketStatus::kError: {
+      // Nothing that can be done.
+      return false;
+    }
+  }
+}
+}  // namespace dcsctp